import os
import subprocess
import time

def bitvise_exists():

    paths = [
        r"C:\Program Files\Bitvise SSH Client",
        r"C:\Program Files (x86)\Bitvise SSH Client"
    ]

    for p in paths:
        if os.path.exists(p):
            return True

    return False

def spm_uninstall(dir, args):

    uninstallers = [
        r"C:\Program Files\Bitvise SSH Client\uninst.exe",
        r"C:\Program Files (x86)\Bitvise SSH Client\uninst.exe"
    ]

    found = False

    for uninst in uninstallers:

        if os.path.exists(uninst):

            found = True

            try:
                cmd = '"%s" -unat "BvSshClient"' % uninst
                subprocess.call(cmd, shell=True)
            except:
                pass

    # wait for uninstall completion
    time.sleep(10)

    # verify removal
    if not bitvise_exists():
        print "retcode0retcode"
    else:
        print "retcode1retcode"

def spm_install(dir, args):

    try:
        os.chdir(dir)
        subprocess.check_call(args.split())
        print "retcode0retcode"

    except subprocess.CalledProcessError as e:
        print "retcode" + str(e.returncode) + "retcode"

def spm_update(dir, args):

    try:
        os.chdir(dir)
        subprocess.check_call(args.split())
        print "retcode0retcode"

    except subprocess.CalledProcessError as e:
        print "retcode" + str(e.returncode) + "retcode"